Home / 5,713.80-8,571.32-1,817.30

Finding the Fourth Proportional to 5,713.80, 8,571.32 and 1,817.30

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Solution

The fourth proportional to 5,713.80, 8,571.32 and 1,817.30 is: 2,726.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,713.80 : 8,571.32 = 1,817.30 : x
  2. Step 2: Convert to fraction form
    5,713.80/8,571.32 = 1,817.30/x
  3. Step 3: Cross multiply
    5,713.80x = 8,571.32 × 1,817.30
  4. Step 4: Simplify right side
    5,713.80x = 15,576,607.89
  5. Step 5: Solve for x
    x = 15,576,607.89/5,713.80
  6. Step 6: Final answer
    x = 2,726.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.